GEMMA4 — Commercial product research & implementation playbook
Copyright 2026 GEMMA4 Project Contributors

This project is licensed under the Apache License, Version 2.0.
See LICENSE for the full license text.

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Third-party models referenced or used by this project
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Gemma 4 (E2B, E4B, 26B-A4B, 31B Dense)
  Copyright Google LLC
  Licensed under the Apache License, Version 2.0
  https://ai.google.dev/gemma/docs/core/model_card_4

Gemma 1 / 2 / 3 / 3n family (270M, 1B, 4B, 12B, 27B, etc.)
  Copyright Google LLC
  Licensed under the Gemma Terms of Use (custom)
  https://ai.google.dev/gemma/terms

MedGemma, MedSigLIP, TxGemma
  Copyright Google LLC
  Licensed under Health AI Developer Foundations (HAI-DEF) terms
  NOT clinical grade — see model card for restrictions

EmbeddingGemma 308M, ShieldGemma 2, PaliGemma 2, CodeGemma, TranslateGemma,
T5Gemma v2, FunctionGemma, VaultGemma, RecurrentGemma, DataGemma
  Copyright Google LLC
  Licensed under the Gemma Terms of Use

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Trademark notice
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"Gemma" is a trademark of Google LLC. The Apache 2.0 license of Gemma 4 does
NOT grant permission to use the "Gemma" name as a product name or imply
endorsement by Google. Acceptable usage: "powered by Gemma 4", "built with
Gemma 4". Unacceptable: naming a product "GemmaPro", "GemmaAI", etc.

This repository name "GEMMA4" is used internally as a research/working
codename only. Any product spun out of these implementations MUST be
rebranded under a non-Gemma name before public launch.